Alert archive / Florida / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 56, NWS Tampa Bay, FL

August 1, 2000Hillsborough County, Pasco County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Aug 1, 2000, 6:19 PM EDT for Hillsborough County, Pasco County, Florida. It was in force for 41 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 1, 2000, 6:19 PM EDT (22:19 UTC)
Expired
Aug 1, 2000, 7:00 PM EDT
In force
41 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

Counties Hillsborough County, FL, Pasco County, FL

What was reported inside it

TimeReportWhereRemark
Aug 1, 6:20 PM EDTThunderstorm WindDade City, FLThe public reported that thunderstorm winds toppled two large trees and several large branches which caused significant roof and attic damage to two homes on the 37,000 block of Beu Champ Avenue in Dade City.
Aug 1, 6:50 PM EDTThunderstorm WindTemple Terrace, FLThe public reported that thunderstorm winds damaged the roof of a mobile home, caused minor damage to three travel trailers and snapped several large branches along rural County Road 579 (Morris Bridge Road).
Aug 1, 6:50 PM EDTHail 0.88Temple Terrace, FLThe public reported nickel sized hail along rural County Road 579 (Morris Bridge Road).

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 10.3 hours before the alert went out and 45 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2000-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 641 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2000-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
641 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
1017 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KTBW 012219
SVRTBW
FLC057-101-012300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
619 PM EDT TUE AUG 1 2000

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HILLSBOROUGH COUNTY.
  SOUTHERN PASCO COUNTY.

* UNTIL 700 PM EDT.

* AT 619 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH LARGE HAIL...12 MILES NORTHEAST OF LUTZ...
  MOVING SOUTHWEST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT...
  WESLEY CHAPEL.
  HILLSBOROUGH RIVER STATE PARK.
  THONOTOSASSA.
  LUTZ.
  TEMPLE TERRACE.

SEVERE THUNDERSTORMS CONTAIN WIND GUSTS OF 60 MPH OR HIGHER...AND
HAIL THE SIZE OF DIMES OR LARGER. MOVE TO A PLACE OF SAFETY.

$$

LAT...LON 2820 8217 2833 8231 2814 8253 2801 8236

NNNN

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tampa Bay, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 1, 2:35 PM EDT, 3 hours 44 minutes earlier.

Area forecast discussion, Aug 1, 2:35 PM EDT, 3 hours 44 minutes before
WEST CENTRAL AND SOUTHWEST FLORIDA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
235 PM EDT TUE AUG 1 2000

CURRENTLY...SCATTERED CONVECTION BREAKING OUT ACROSS FORECAST AREA
WITH BEST COVERAGE ALONG WEST COAST SEA BREEZE STUCK ALONG COAST
FROM SRQ NORTHWARD AND ALSO ALONG EAST COAST SEA BREEZE MOVING
TOWARD INTERIOR ZONES. STORM THAT DEVELOPED NEAR MOUTH OF TAMPA BAY
PRODUCED A SHORT LIVED WATERSPOUT VISIBLE FROM OFFICE AROUND 1720Z.

FORECAST...MODELS CONTINUE TO INDICATE LITTLE CHANGE IN UPPER LEVELS
FOR THE NEXT FEW DAYS. WAVE MOVING THROUGH BAHAMAS WILL ELONGATE AND
GRADUALLY WEAKEN OVER THE FORECAST AREA WEDNESDAY INTO THURSDAY.
PLENTY OF MOISTURE WILL CONTINUE TO STREAM IN ON SOUTHEASTERLY FLOW
AND THIS COMBINED WITH DAYTIME HEATING AND SEA BREEZE INTERACTIONS
WILL CAUSE SCATTERED TO NUMEROUS AFTERNOON AND EVENING THUNDERSTORMS
EACH DAY. TEMPERATURES SHOULD CONTINUE TO BE NEAR NORMAL FOR THE
NEXT FEW DAYS WITH LOWS IN THE LOWER TO MIDDLE 70S AND HIGHS FROM
AROUND 90 TO THE LOWER 90S.

MARINE...SOUTHEAST FLOW EXPECTED TO CONTINUE FOR THE REMAINDER OF
THE WEEK WITH WINDS REMAINING BELOW 15 KNOTS...SO NO HIGHLIGHTS
ANTICIPATED.

FIRE WEATHER...LOWEST RELATIVE HUMIDITY VALUES WILL REMAIN IN THE
50 TO 60 PERCENT RANGE OR WELL ABOVE WATCH/WARNING CRITERIA.

PRELIMINARY NUMBERS:
TPA TB 074/090 075/090 5655
FMY TB 074/091 074/091 5655

.TBW...NONE.

PRC

In the hours before

Local storm report, Aug 1, 2:15 PM EDT, 4 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
215 PM EDT TUE AUG 01 2000

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0115 PM    4 NNW PALMA SOLA          FL   WATERSPOUT
08/01/00   MANATEE                        EVENT DURATION 10
                                          MINUTES. OBSERVED BY
                                          THE PUBLIC AND NWS
                                          METEOROLOGISTS.

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 1, 4:59 PM EDTSevere Thunderstorm WarningTBWLee46 min
Aug 1, 5:14 PM EDTTornado WarningTBWLee31 min
Aug 1, 5:41 PM EDTSevere Thunderstorm WarningTBWCharlotte34 min

Nearby

Severe Thunderstorm Warnings in Florida, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.